part1
http://wktk.2ch.net/test/read.cgi/steam/1443973814/

バンドル品の確認
https://www.steamgifts.com/bundle-games/search

レベル確認
http://www.sgtools.info/real-cv

各レベルに必要な金額
http://www.steamgifts.com/discussion/XaCbA/list-of-all-cv-levels-and-their-corresponding-real-cv


色んな統計
http://www.steamgifts.com/stats/personal/community